520139193

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{12907}}^1$

素因数の和:13037

約数の個数: 32

約数和(自身を含む): 842634240

約数和(自身を除く): 322495047

約数列:

[1, 3, 7, 19, 21, 57, 101, 133, 303, 399, 707, 1919, 2121, 5757, 12907, 13433, 38721, 40299, 90349, 245233, 271047, 735699, 1303607, 1716631, 3910821, 5149893, 9125249, 24768533, 27375747, 74305599, 173379731, 520139193]

約数ペア:

[(1, 520139193), (3, 173379731), (7, 74305599), (19, 27375747), (21, 24768533), (57, 9125249), (101, 5149893), (133, 3910821), (303, 1716631), (399, 1303607), (707, 735699), (1919, 271047), (2121, 245233), (5757, 90349), (12907, 40299), (13433, 38721)]